ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,730,004, issued on Sept. 8, was assigned to VIAVI SOLUTIONS INC. (Chandler, Ariz.).
"Diffraction grating monochromator" was invented by Eberhard Lothar Loecklin (Reutlingen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A monochromator apparatus for an optical spectrum analyzer (OSA) may include a diffraction grating and a sensor. For calibration of the monochromator, an optical signal may be received and a 0th order diffracted signal and an angle of the 0th order diffracted signal may be detected, where the 0th order diffracted signal is obtained by diffracting the optical signal on the diffraction grating. The angle of the 0th order diffracte...